<template>
  <div class="tab-bar-item" @click="itemClick">
    <div v-if="!isActive">
      <slot name="item-icon"></slot>
    </div>
    <div v-else>
      <slot name="item-icon-active"></slot>
    </div>

    <div :style="activeStyle">
      <slot name="item-text"></slot>
    </div>
    
  </div>
</template>

<script>
export default {
  name: 'TabBarItem',
  components:{},
  data(){
    return {
    }
  },
  props: {
    path: String,
    activeColor: {
      type: String,
      default: 'red'
    }
  },
  created(){},
  mounted(){},
  watch:{},
  computed:{
    isActive() {
      // 判断 活跃组件的路径 与 当前组件的路径  来决定 当前组件是否活跃 
      return this.$route.path.indexOf(this.path) !== -1
    },
    activeStyle() {
      return this.isActive ? {color : this.activeColor} : {}
    }
  },
  methods:{
    itemClick() {
      // 跳转路由
      console.log(this.$route.path + '  -->  ' +  this.path)

      if (this.$route.path !== this.path) {
        this.$router.replace(this.path)
      }else {
        console.log('请不要重复跳转相同路由，谢谢')
      }
    }
  }
}
</script>
<style scoped>
  .tab-bar-item {
    flex: 1;
    text-align: center;
    height: 49px;
    font-size: 14px;
  }
  .tab-bar-item img {
    width: 24px;
    height: 24px;
    
    margin-top: 3px;
    vertical-align: middle;
    margin-bottom: 2px;
    
  }
</style>